2006/03/13 by A. Rossetti, Antonio Rossetti, D. Dallacasa +4 · 1 citation
Physics and Astronomy · #Astronomy #Astrophysics #Astrophysics and Cosmic Phenomena #Asymmetry #Component (thermodynamics) #Core (optical fiber) #Galaxies: Formation, Evolution, Phenomena #Materials science #Optics #Physics #Radio Astronomy Observations and Technology #Radio spectrum #Range (aeronautics) #Sample (material) #Spectral line #astro-ph
paper · pdf · doi:10.1051/0004-6361:20053945
23 pages, 17 figures, 1 table
openalex publication_date 2006/03/13 · arxiv created 2008/06/11 · arxiv updated 2009/12/01 · openalex created_date 2022/10/03 · openalex updated_date 2026/08/01
Aims.New radio observations are presented for a sample of 56 Compact Steep Spectrum (CSS) radio sources from the B3-VLA CSS sample.Methods.We used the VLA A-configuration observation at 2 cm to obtain high-frequency, high-resolution data.Results.The majority (85%) of sources have a double morphology with a number of them showing a large asymmetry in terms of their component flux densities and/or component arm ratio. These new data have revealed 27 cores and core candidates. Three of the sources have a core-jet morphology and the morphologies of a few objects (≤) are still ambiguous. The integrated radio spectra, over a frequency range from 0.16 to 15 GHz, show good agreement with a “continuous injection model” for ≥ of the sources.